This is a follow-up to b71edfaa4ec3c998aadb35255ce2f60bba2940b0
since I forgot the lit.local.cfg files in that one.
Reformatting is done with `black`.
If you end up having problems merging this commit because you
have made changes to a python file, the best way to handle that
is to run git checkout --ours <yourfile> and then reformat it
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If you run into any problems, post to discourse about it and
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RFC Thread below:
https://discourse.llvm.org/t/rfc-document-and-standardize-python-code-style
Reviewed By: barannikov88, kwk
Differential Revision: https://reviews.llvm.org/D150762
hasOnlyColdCalls skipped over calls to intrinsics, but it did so after
checking the linkage of the called function. This meant that the presence
of a call to a debug intrinsic could affect the outcome of the
optimization.
In my original reproducer (for an out of tree target) it was particularly
interesting, because the actual IR after GlobalOpt was not different with
debug instrinsics present, so -print-after-all printouts didn't show
anything there.
However, without debuginfo, GlobalOpt went further and ran
BlockFrequencyAnalysis and (more importanly) LoopAnalysis, and later on in
the pipeline, instcombine behaved in different ways when LoopInfo was
present.
So a call to a dbg.declare prevented running LoopAnalysis in
GlobalOpt, which later prevented InstCombine from doing an optimization.
The dbg-intrinsic-loopanalysis.ll testcase tries to expose this.
Then I also noted that adding a dbg.declare actually made the existing
testcase colccc_coldsites.ll generate different code, so I modified that
to now test it behaves the same way with and without the dbg.declare.
Reviewed By: nikic, fhahn
Differential Revision: https://reviews.llvm.org/D133193
The legacy PM is deprecated, so update a bunch of lit tests running
opt to use the new PM syntax when specifying the pipeline.
In this patch focus has been put on test cases for ConstantMerge,
ConstraintElimination, CorrelatedValuePropagation, GlobalDCE,
GlobalOpt, SCCP, TailCallElim and PredicateInfo.
Differential Revision: https://reviews.llvm.org/D114516
As it's causing some bot failures (and per request from kbarton).
This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.
llvm-svn: 358546
candidates with coldcc attribute.
This recommits r322721 reverted due to sanitizer memory leak build bot failures.
Original commit message:
This patch adds support for the coldcc calling convention for Power.
This changes the set of non-volatile registers. It includes a pass to stress
test the implementation by marking all static directly called functions with
the coldcc attribute through the option -enable-coldcc-stress-test. It also
includes an option, -ppc-enable-coldcc, to add the coldcc attribute to
functions which are cold at all call sites based on BlockFrequencyInfo when
the containing function does not call any non cold functions.
Differential Revision: https://reviews.llvm.org/D38413
llvm-svn: 323778
candidates with coldcc attribute.
This patch adds support for the coldcc calling convention for Power.
This changes the set of non-volatile registers. It includes a pass to stress
test the implementation by marking all static directly called functions with
the coldcc attribute through the option -enable-coldcc-stress-test. It also
includes an option, -ppc-enable-coldcc, to add the coldcc attribute to
functions which are cold at all call sites based on BlockFrequencyInfo when
the containing function does not call any non cold functions.
Differential Revision: https://reviews.llvm.org/D38413
llvm-svn: 322721
